Bussmann 170M6612 Class aR Hig...
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Bussmann 170M6612 Class aR High-Speed Square Body Fuse, 800A, 690V

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Model: 170M6612

In Stock (leaves warehouse same day if ordered before 3pm ET)

$1,497.10
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Bussmann 170M6612 Class aR High-Speed Square Body Fuse, 800A, 690V

The Bussmann 170M6612 is an Eaton Bussmann series high-speed square body fuse rated 800A at 690V AC, purpose-built for semiconductor protection applications. Featuring a Class aR utilization category (accompanied semiconductor protection) and a 200 kAIC interrupting rating, this fuse uses a square body design with center bolted tags and blade end X blade end connections for reliable high-speed clearing in demanding power electronics circuits. It is UL Recognized and CE Marked for use in professional industrial and commercial installations.

Key Features

  • Amperage Rating: 800A for high-capacity semiconductor circuit protection.
  • Voltage Rating: 690V AC for use in high-voltage industrial power circuits.
  • Interrupting Rating: 200 kAIC high interrupting capacity for demanding fault-current environments.
  • Utilization Category: Class aR (accompanied semiconductor protection) for coordinated protection schemes.
  • Fuse Shape: Square body construction with center bolted tags and blade end X blade end connections.
  • Clearing I2t: 465000 at 660V; Pre-Arc I2t: 69500 for precise fault-clearing performance.
  • Watt Losses: 115W rated power dissipation.
  • Dimensions: 170mm length x 96mm width x 76mm height, 1192g weight.

Certifications & Compliance

  • UL Recognized
  • CE Marked

Technical Specifications

  • Amperage Rating: 800 A
  • Application: semiconductor protection
  • Certifications: UL Recognized
  • Clearing I2t: 465000 at 660 V
  • Compliances: CE Marked
  • Fuse Shape: Square body, center bolted tags
  • Insulated Metal Gripping Lugs (Imgl): No
  • Packaging Type: Standard
  • Pre Arc I2t: 69500
  • Product Height: 76 mm
  • Product Length Depth: 170 mm
  • Product Weight: 1192 g
  • Product Width: 96 mm
  • Utilization Category: aR (accompanied semiconductor protection)
  • Voltage Rating: 690 V
  • Voltage Type: AC
  • Watt Losses: 115 W

Typical Applications

  • Semiconductor Protection Circuits
  • High-Speed Power Electronics Protection
  • Industrial Motor Drives and Rectifier Circuits
  • Panelboard and Switchgear Protection
  • Renovation and New Construction Electrical Upgrades

Why Bussmann?

Bussmann engineers the 170M6612 with a rugged square body construction, center bolted tags, and a 200 kAIC interrupting rating to deliver dependable, code-compliant protection for semiconductor and power electronics circuits. Backed by UL Recognition and CE Marking, this Class aR high-speed fuse is built for reliable performance in demanding professional electrical installations.

Manufacturer Resources

Product Specs

Amperage Rating:
800 A
Application:
semiconductor protection
Certifications:
UL Recognized
Class:
Class aR
Clearing I2t:
465000 at 660 V
Compliances:
CE Marked
Connection:
Blade end x blade end
Fuse Shape:
Square body, center bolted tags
Insulated Metal Gripping Lugs Imgl:
No
Interrupt Rating:
200 kAIC
Packaging Type:
Standard
Pre Arc I2t:
69500
Product Height:
76 mm
Product Length Depth:
170 mm
Product Weight:
1192 g
Product Width:
96 mm
Utilization Category:
aR (accompanied semiconductor protection)
Voltage Rating:
690 V
Voltage Type:
AC
Watt Losses:
115 W
Product Group:
Fuses
Department:
Electrical
Product Subgroup:
Other Fuses
Product Type:
Fuse
Product Details:
Fuse

Bussmann 170M6612 – Frequently Asked Questions

How fast can I get the Bussmann 170M6612 delivered?
Most orders ship the same day from our distribution partners, with quick delivery throughout the continental U.S. Need it urgently? Contact Us for expedited shipping options.
Can I return it if it doesn’t work for me?
Yes—ZenSupply offers a hassle-free return policy. If the product isn’t the right fit, reach out to our support team for a return authorization or setup a return by following our return instructions.
Does the Bussmann 170M6612 come with a warranty?
Absolutely. The Bussmann 170M6612 is backed by a manufacturer’s warranty. For full warranty terms, check the product documentation or Contact Us.
How do I get technical support or installation help for the Bussmann 170M6612?
You can call, text, or email our expert support team for fast answers. We’re here to help with product selection, installation tips, and troubleshooting. Contact Us
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